Home / 12,562,212.10-18,843,318.15-11,722,404.10

Finding the Fourth Proportional to 12,562,212.10, 18,843,318.15 and 11,722,404.10

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Solution

The fourth proportional to 12,562,212.10, 18,843,318.15 and 11,722,404.10 is: 17,583,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,212.10 : 18,843,318.15 = 11,722,404.10 : x
  2. Step 2: Convert to fraction form
    12,562,212.10/18,843,318.15 = 11,722,404.10/x
  3. Step 3: Cross multiply
    12,562,212.10x = 18,843,318.15 × 11,722,404.10
  4. Step 4: Simplify right side
    12,562,212.10x = 220,888,989,939,164.38
  5. Step 5: Solve for x
    x = 220,888,989,939,164.38/12,562,212.10
  6. Step 6: Final answer
    x = 17,583,606.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.